WO2018212460A1

WO2018212460A1 - Insert for construction slab

Info

Publication number: WO2018212460A1
Application number: PCT/KR2018/004261
Authority: WO
Inventors: 황종욱; 김한찬; 이항준; 정형민
Original assignee: 주식회사 메이크순
Priority date: 2017-05-19
Filing date: 2018-04-12
Publication date: 2018-11-22
Also published as: JP2020517846A; KR102011716B1; JP6954543B2; CN110546334A; US11002005B2; CN110546334B; US20210102371A1; KR20180126973A

Abstract

The present invention provides an insert for a construction slab, wherein the insert can be commonly used in a plywood mold, an aluminum (steel) mold, and a deck plate (hereinafter, referred to as a 'mold') and provides functionality allowing an embedded anchor bolt member to be withdrawn to the outside when removing the mold, thereby being capable of eliminating the inconvenience of separately assembling the anchor bolt following mold removal. That is, the present invention includes: a main body having an operation space having a planar cross-section that is a polygonal shape in the axial direction formed therein; a support block disposed below the main body and having a smaller diameter than the main body, and having a withdrawal hole formed such that a support stepped portion is formed inward on the lower end of the operation space; a support plate formed below the support block to contact the mold; a cover member coupled to the upper portion of the main body to seal the operation space; and an anchor bolt member inserted into the operation space and pressed toward the withdrawal hole by a spring member.

Description

Inserts for building slabs

The present invention relates to inserts for building slabs, and more specifically, can be commonly used in plywood formwork, aluminum (steel) formwork, deck plate (hereinafter referred to as 'formwork'), and the built-in anchor when removing formwork It is to provide an insert for an architectural slab to have the functionality to allow the bolt member to be drawn out to eliminate the hassle of assembling the anchor bolt member separately after removing the formwork.

In general, when constructing a concrete slab or wall, such as the ceiling of the building, in order to suspend the structure, such as to install the ceiling to install a nut-type insert in the concrete slab or wall.

The slab insert is generally applied to plywood formwork or aluminum formwork, and various prior arts have been proposed.

As a representative example of the insert for the slab is proposed the insert for the concrete slab of the Republic of Korea Patent Publication (A) 10-2009-0113476 (2009.11.02.), The configuration of the insert for the concrete slab embedded in the concrete ; Insert body with a nut body inside; An inlet pipe extending downward from the insert body and into which an anchor bolt is inserted and coupled; An elastic piece extending downward of the urinary inlet pipe and formed to be elastically axially contractable; And an engaging portion formed at an end of the elastic piece and protruding outwardly so as to be hooked to the rear surface of the fitting hole formed in the formwork of the concrete.

This configuration is a simple operation of inserting the insert body into the formwork with one-touch operation.The installation of the insert is very simple, and there is no component to install the insert on the formwork even if the formwork is removed. It can be recycled semi-permanently without the need.

As another example, the insert for concrete slab of the Republic of Korea Patent Publication (B1) 10-1493249 (2015.02.13.) Is proposed, the configuration of the connector and the anchor nut detachably coupled to the cylindrical body connection end Consists of a lid coupled to the insertion portion, the connecting pipe is formed so that the passage through the anchor bolt, the head portion with the anchor nut is embedded, the body formed with the passage through which the anchor bolt is inserted, the bottom inner surface of the body A cylindrical guide portion having a radially formed uneven portion and a radially uneven portion detachably coupled to the uneven portion are formed, and are made of a conical tip portion with a tip pin attached to the tip, and the head portion, the guide portion and the tip portion are detached from each other. In the insert for a concrete slab that is possibly coupled, a plurality of protruding at a predetermined interval around the upper outer surface of the body And the projection is configured, the conical tip end there will be a conical male screw thread is formed configuration.

According to the above-mentioned prior art, the insert can be conveniently and easily buried by the structure to be buried in rotation and the tip of the conical shape, thereby achieving an improved effect of reducing the manpower, time and expense required for insert embedding construction. In the case of changing the specification of the anchor bolt coupled to the insert by the structure of the insert for the prefabricated concrete slab has an effect that can easily replace the anchor nut.

However, the above configuration has the trouble of fastening the anchor bolt to the anchor nut that is built in the form of removing the formwork.

Therefore, in the industry, there was a demand for inserts that can be used to anchor bolts without removing the formwork and assembling anchor bolts separately.

Accordingly, the present inventors put the concrete to the upper side of the formwork as described above when laying the concrete (or when constructing the slab or wall) by laying concrete (building panel or wall panel) for fixing the building finishing material In using the insert for slab, the present invention has been researched and developed so as to eliminate the inconvenience of having to assemble the anchor bolt member prepared separately to the insert after removing the formwork.

That is, in the present invention, by forming the working space in the interior of the main body constituting the insert, by placing the bolt head or fastened nut member provided with the anchor bolt member in the working space to be elastically supported by the spring member, When the formwork is removed, the anchor bolt member is drawn out to the outside through the withdrawal hole formed in the base of the lower part of the main body, so that it is possible to eliminate the trouble of assembling the anchor bolt member separately after removing the formwork. In order to provide a technical problem of the present invention to complete the present invention.

In the present invention as a means for solving the problem; A support neck formed below the main body to have a smaller diameter than the main body and having a drawing hole formed therein so that the support jaw is formed at the lower end of the working space; A support plate formed to be in contact with the formwork below the support neck; A cover member coupled to an upper portion of the main body to seal the working space; It is characterized in that it comprises an anchor bolt member that is inserted into the working space is pressed toward the outlet hole by the spring member.

Second, the anchor bolt member is characterized in that the bolt head integrally formed on the top of the screw rod.

Third, the anchor bolt member is composed of a computer bolt, characterized in that the nut member is fastened to enable height adjustment.

Fourth, the support wood is characterized in that it has a length corresponding to the thickness of the heat insulating material located under the slab or wall.

Fifth, the supporting plate is characterized in that a plurality of fixing holes are formed to fix the supporting plate to the formwork with fixing means such as pieces or nails.

Sixth, the lower side of the support plate is characterized in that the head inlet is formed to be inserted into the head of the insert fixture fixed to the formwork.

Seventh, the engaging groove is formed in the main body so that the nut member coupled to the bolt head or the computer bolt formed at the top of the screw rod is inwardly locked so that the length of the anchor bolt member drawn out through the drawing hole can be adjusted.

Eighth is characterized in that to form a cutting groove on the outside of the main body to adjust the length of the main body.

Ninth the anchor bolt member is characterized in that it comprises a fixing nut member is fastened to the anchor bolt member in the state removing the formwork to fix the anchor bolt member.

Tenth, the anchor bolt member is characterized in that the extension screw rod is connected to the front end of the anchor bolt member by using a connector in the form of removing the formwork.

When using the insert for building slab provided by the present invention has the following effects.

-The fixing plate is formed in the supporting plate, and it has the configuration that the head inlet is formed under the supporting plate, so it can be used for the formwork.

-When removing the formwork in the state in which the anchor bolt member is installed, it is drawn out through the withdrawal hole formed in the support neck, so that the trouble of assembling the anchor bolt member separately can be eliminated.

-By fastening the fixing nut member to the anchor bolt member drawn to the lower side of the support neck, it is possible to easily adjust the length of the anchor bolt member while providing a firm fixing state of the anchor bolt member.

-By forming a locking groove in the body, the length of the anchor bolt member exposed to the outside through the drawing hole can be easily adjusted.

-The length of the main body can be easily adjusted by using cutting grooves formed in multiple stages on the outside of the main body.

-It can be used for slabs or walls to which insulation is applied by making the support long.

1 is a perspective view showing a first preferred embodiment of the insert for building slab provided in the present invention

2 is an exploded perspective view of FIG.

3 is a cross-sectional view of the assembled state of FIG.

Figure 4 is a cross-sectional view of the present invention applied to the plywood formwork

Figure 5 is a cross-sectional view of the present invention applied to the aluminum formwork

Figure 6 is a perspective view showing a state in which the engaging groove is formed inside the main body in the present invention

7 is a cross-sectional view and a plan view of FIG.

8 is a perspective view showing a state in which a cutting groove is formed on the outside of the main body in the present invention

9 is a cross-sectional view of FIG.

10 is a perspective view showing a second preferred embodiment of the insert for building slab provided in the present invention

11 is a cross-sectional view showing a state of use of FIG.

12 is a cross-sectional view showing an example in which an extension screw rod is connected to the anchor bolt member of the present invention.

DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the insert for building slabs provided by the present invention will be described below with reference to the accompanying drawings.

1 is a perspective view showing a first preferred embodiment of the insert for building slab provided in the present invention, Figure 2 is an exploded perspective view of Figure 1, Figure 3 is an assembled cross-sectional view of Figure 1, Figure 4 is a present invention Figure 5 is a cross-sectional view of the state applied to the plywood formwork, Figure 5 shows a cross-sectional view of the state applied to the aluminum formwork.

The insert for building slab (1) provided by the present invention can be applied to the slab or wall 100 of the building in common, and if you do not separately install an anchor bolt for fixing the building finishing materials, such as ceiling panels or wall panels It is also used to make these constructions possible.

In particular, the building slab insert (1) provided by the present invention is built in the anchor bolt member 10 to remove the formwork 200 and at the same time to be drawn out to the outside by the elastic force of the spring member 20 anchor It has a feature that eliminates the trouble of assembling the bolt member 10 separately.

The present invention for this purpose consists of a configuration including a main body 2, an anchor bolt member 10, a spring member 20, and a cover member 30.

The main body 2 has an operating space 3 formed therein, the operating space 3 is configured to have a depth that can accommodate the anchor bolt member 10 in the axial direction, the anchor bolt when viewed in a planar cross section It is formed in a polygon corresponding to the shape of the nut member 13 coupled to the bolt head 11 or the anchor bolt member 10 of the member 10. As shown, the bolt head 11 or the nut member 13 is formed in a hexagon, the working space 3 is also formed in a flat cross-section hexagon, the working space 3 is the bolt head 11 or nut member ( It is formed in a larger dimension than 13) is configured so that the nut member 13 can be naturally elevated.

The working space 3 has a configuration that is sealed by the cover member 30 assembled to the main body (2). The main body 2 and the cover member 30 are assembled in a configuration in which the fixing portion 31 protrudes from the lower side of the cover member 30 so as to fit in the working space 3 formed in the main body 2. Is made by

On the lower side of the main body 2, a support neck 4 having a smaller diameter than the main body 2 is integrally formed with the main body 2, and the anchor bolt member 10 is axially inward of the support neck 4. A drawing hole 5 which can be drawn out is formed, and the support jaw 6 is formed at the boundary between the working space 3 and the drawing hole 5 so that the anchor bolt member 10 can be supported in the downwardly moved state. To help.

A wide plate-like support plate 7 is provided integrally with the support neck 4 under the support neck 4, and a plurality of fixing holes 7a are formed at the edge side of the support plate 7 to plywood the support plate 7. It is to be firmly fixed to the formwork 200 by fixing means 9, such as nails or pieces. (See Fig. 4)

In addition, the lower side of the support plate 7 is formed in the head inlet 8 so as to be located at the lower end of the outlet hole (5) to be used in the aluminum type formwork 200 (see Fig. 5).

In the case of aluminum formwork (200) is mainly used when constructing a building of the same configuration, such as apartments or officetels, the aluminum formwork (200) in the insert fixture for fixing the insert (1) for the slab in place ( 40) has a combined configuration.

In the insert fixture 40, the head 42 is formed by extending above the fastening screw portion 41 and the fastening screw portion 41 fixed to the mold 200, and the fastening screw portion 41 and the head 42 of the It consists of a structure which forms the engaging piece 43 in a boundary.

In the present invention, the head inlet 8 refers to a groove formed in the support plate 7 so that the locking piece 43 is inserted when the head 42 is inserted into the outlet hole 5.

Meanwhile, as mentioned above, the anchor bolt member 10 is built in the working space 3, and the anchor bolt is disposed by arranging the spring member 20 between the upper side of the anchor bolt member 10 and the cover member 30. The member 10 is pressurized toward the outlet hole 5. In this case, the anchor bolt member 10 applied to the present invention uses a bolt head 11 formed integrally on the top of the screw rod 12, or a configuration in which the nut member 13 is fastened to the computer bolt 14 is optional. Can be applied as

In the former case, it is difficult to adjust the length of the anchor bolt member 10. In the latter case, the nut member 13, which is assembled to the computer bolt 14, is moved upwards or downwards. The length of the exposure can be adjusted in various ways to provide convenience.

Meanwhile, in the present invention, the anchor bolt member 10 is fastened to the anchor bolt member 10 drawn out to the lower side of the insert 1 for slab in a state in which the formwork 200 is removed, so that the anchor bolt member 10 is firmly shaken without shaking. Allow it to be fixed.

Figure 6 is a perspective view showing a state in which the engaging groove is formed in the interior of the present invention, Figure 7 is a cross-sectional view and a plan view of FIG.

In the configuration of the present invention as described above, the nut is coupled to the bolt head 11 or the anchor bolt member 10 of the anchor bolt member 10 by forming a locking groove having a different height inside the body (2) It is to be able to adjust the withdrawal length of the screw rod 12 or the threaded bolt 14 by allowing the member 13 to be embedded.

That is, the bolt head 11 or the nut member 13 in FIGS. 6 and 7 has a rectangular shape, and the bolt head 11 or the nut member (3) is formed in the operating space 3 formed inside the main body 2. 13) is formed in a rectangular shape, the locking groove (2a) formed in multiple stages in a state in which the operating space (3) in a multi-stage to catch the threaded rod 12 or the threaded bolt (14) drawn out through the drawing hole (5) When the bolt head 11 or the nut member 13 is inserted into the locking groove (2a) to be locked when rotating at the height with the groove (2a), the screw rod (12) drawn out through the drawing hole (5) or It is to be able to adjust the withdrawal length of the computer bolt (14).

8 is a perspective view showing a state in which a cutting groove is formed on the outside of the main body in the present invention, Figure 9 is a cross-sectional view of FIG.

In the above configuration, the cutting grooves 2b are formed in multiple stages on the outside of the main body 2.

When the cutting groove (2b) is formed in the main body 2 as described above is to provide the functionality to adjust the length of the main body 2 to match the thickness of the slab or wall (100).

That is, in order to adjust the length of the main body 2, the main body (using the cutting groove 2b provided in the multi-stage in the state where the cover member 30 assembled to the upper side of the main body 2 is first removed) What is necessary is just to reassemble the cover member 30 to the main body 2 in the state which adjusted 2) to desired length.

In the case of adjusting the length of the main body 2 as described above, even if the thickness of the slab or wall 100 in the design of the building changes the length of the main body 2 in the field to provide convenience that can be used conveniently Will be provided.

10 is a perspective view showing a second preferred embodiment of the insert for building slab provided in the present invention, Figure 11 is a cross-sectional view showing a state of use of FIG.

In forming the insert 1 for the building slab as in the first embodiment, it is formed to have a long length so as to have a length corresponding to the thickness of the heat insulating material 50 positioned below the slab or the wall 100 in the construction slab insert (1) 9, the base 4 is located inside the heat insulating material 50, and the main body 2 positioned at the top of the base 4 and the base 4 is embedded in the slab or the wall 100. While being provided, it is possible to provide a firm fixing of the insert (1) for the slab of the present invention in a state to separate the formwork 200 of the lower side of the heat insulating material (50).

Insert 1 for the building slab provided by the present invention is limited to the length of the anchor bolt member 10 to a length corresponding to the operating space (3) inside the main body (2), in some cases anchor bolt member (10) It is necessary to form long.

For example, if the space between the ceiling panel and the slab or the wall 100 is provided with a high height can not be installed by the anchor bolt member 10 provided in the present invention, the anchor bolt member 10 as a way to solve this problem Removing the threaded bolt 14 constituting the nut from the nut member 13, and reassembling the threaded bolt 14 of the length corresponding to the construction and the connector (10) to the anchor bolt member 10 as shown 60 is screwed to the extension screw rod 70 to the connector (60) in a state in which the screw is to be able to extend the length.

Insert 1 for the building slab of the present invention provided as described above can be used in common to the slab or wall 100, when embedded in the working space (3) in the body (2) when removing the formwork 200 The anchor bolt member 10 is drawn out to the outside by the pressing force of the spring member 20, it is possible to eliminate the inconvenience of assembling the computer bolt 14 and the like separately.

In the detailed description of the present invention, specific embodiments have been described, but various modifications may be made without departing from the scope of the present invention. Therefore, the protection scope of the present invention should not be limited to the described embodiments, but should be defined by equivalents as well as the following claims.

Claims

A main body 2 formed therein with an operating space 3 having a polygonal flat cross section in the axial direction;

Supporting neck (4) is formed to have a smaller diameter than the main body (2) to the lower side of the main body 2, and formed with a drawing hole (5) so that the supporting jaw (6) is formed in the lower working space (3) inwardly; ;

A support plate (7) formed to be in contact with the formwork (200) below the support neck (4);

A cover member 30 coupled to the upper portion of the main body 2 to seal the working space 3;

An insert for building slab, characterized in that it comprises an anchor bolt member (10) is inserted into the working space (3) is pressed toward the outlet hole (5) by the spring member (20).
The method according to claim 1;

The anchor bolt member 10 is an insert for building slabs, characterized in that the bolt head (11) integrally formed on the top of the screw rod (12).
The method according to claim 1;

The anchor bolt member 10 is composed of a computer bolt (14) and the insert for the building slab, characterized in that the nut member 13 is fastened to enable height adjustment.
The method according to any one of claims 1 to 3;

The support wood (4) is the insert for the building slab, characterized in that to have a length corresponding to the thickness of the heat insulating material (50) located below the slab or wall (100).
The method according to any one of claims 1 to 3;

A plurality of fixing holes 7a are formed in the supporting plate 7 so that the supporting plate 7 can be fixed to the formwork 200 by fixing means 9 such as pieces or nails. .
The method according to any one of claims 1 to 3;

An insert for building slab, characterized in that the lower side of the support plate (7) formed a head inlet (8) into which the head (42) of the insert fixture (40) fixed to the formwork (200) is formed.
The method of claim 2 or 3;

A locking groove 2a is formed in the main body 2 to draw out the nut member 13 coupled to the bolt head 11 or the computer bolt 14 formed at the upper end of the screw rod 12. Insert for building slab, characterized in that to adjust the length of the anchor bolt member 10 drawn out to the ball (5).
The method according to any one of claims 1 to 3;

Insert for building slabs, characterized in that the cutting groove (2b) formed on the outside of the main body (2) to adjust the length of the main body (2).
The method according to any one of claims 1 to 3;

The anchor bolt member 10 is fastened to the anchor bolt member 10 in a state in which the formwork 200 is removed, for building slabs, characterized in that it comprises a fixing nut member 15 for fixing the anchor bolt member 10. insert.
The method according to any one of claims 1 to 3;

The anchor bolt member 10 for the construction slab, characterized in that the extension screw rod 70 is connected to the front end of the anchor bolt member 10 by using the connector 60 in the state in which the formwork 200 is removed. insert.